<template>
  <div class="user-manage">
    <div class="query-form">
      <el-form ref="form" :inline="true" :model="queryForm">
        <el-form-item label="菜单名称" prop="menuName">
          <el-input v-model="queryForm.menuName" placeholder="请输入菜单名称"/>
        </el-form-item>
        <el-form-item label="菜单状态" prop="menuState">
          <el-select v-model="queryForm.menuState">
            <el-option :value="0" label="正常"></el-option>
            <el-option :value="1" label="停用"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <!--<el-button type="primary" @click="handleQuery">查询</el-button>-->
          <el-button type="primary" @click="getMenuList">查询</el-button>
          <el-button @click="handleRest('form')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="base-table">
      <div class="action">
        <el-button type="primary" @click="handleAdd(1)">新增</el-button>
      </div>
      <el-table
          :data="menuList"
          row-key="_id"
          :tree-props="{ children: 'children' }">
          <el-table-column
              v-for="item in columns"
              :key="item.prop"
              :prop="item.prop"
              :label="item.label"
              :width="item.width"
              :formatter="item.formatter"
          >
          </el-table-column>
          <el-table-column label="操作" width="220">
            <template #default="scope">
              <el-button @click="handleAdd(2,scope.row)" size="mini">新增</el-button>
              <el-button @click="handleEdit(scope.row)" size="mini">编辑</el-button>
              <el-button type="danger" size="mini" @click="handleDel(scope.row._id)">删除</el-button>
            </template>
          </el-table-column>
      </el-table>
    </div>
    <el-dialog title="用户新增" v-model="showModal">
      <el-form
          ref="dialogForm"
          :model="menuForm"
          label-width="100px"
          :rules="rules">
          <el-form-item label="父级菜单" prop="parentId">
            <el-cascader
                v-model="menuForm.parentId"
                :options="menuList"
                :props="{ checkStrictly: true, value:'_id', label:'menuName' }"
                clearable
            />
            <span>不选，则直接创建一级菜单</span>
          </el-form-item>
          <el-form-item label="菜单类型" prop="menuType">
            <el-radio-group v-model="menuForm.menuType">
              <el-radio :label="1">菜单</el-radio>
              <el-radio :label="2">按钮</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="菜单名称" prop="menuName">
            <el-input v-model="menuForm.menuName" placeholder="请输入菜单名称"/>
          </el-form-item>
          <el-form-item label="菜单图标" prop="icon" v-show="menuForm.menuType==1">
            <el-input v-model="menuForm.icon" placeholder="请输入菜单图标"/>
          </el-form-item>
          <el-form-item label="路由地址" prop="path" v-show="menuForm.menuType==1">
            <el-input v-model="menuForm.path" placeholder="请输入路由地址"/>
          </el-form-item>
        <el-form-item label="权限标识" prop="menuCode" v-show="menuForm.menuType==2">
          <el-input v-model="menuForm.menuCode" placeholder="请输入权限标识"/>
        </el-form-item>
        <el-form-item label="组件路径" prop="component" v-show="menuForm.menuType==1">
          <el-input v-model="menuForm.component" placeholder="请输入组件路径"/>
        </el-form-item>
        <el-form-item label="菜单状态" prop="menuState" v-show="menuForm.menuType==1">
          <el-radio-group v-model="menuForm.menuState">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="2">停用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="handleClose">取 消</el-button>
          <el-button type="primary" @click="handleSubmit">确 定</el-button>
        </span>
      </template>

    </el-dialog>
  </div>

</template>

<script>
import utils from '../utils/utils'
export default {
  name: "menu",
  data(){
    return {
      queryForm:{
        menuState:1
      },
      menuList: [],
      columns:[
        {
          label:'菜单名称',
          prop:'menuName',
          width:180
        },
        {
          label:'图标',
          prop:'icon'
        },
        {
          label:'菜单类型',
          prop:'menuType',
          width: 90,
          formatter(row, column, value) {
            return {
              1: "菜单",
              2: "按钮"
            }[value]
          }
        },
        {
          label:'权限标识',
          prop:'menuCode'
        },
        {
          label:'路由地址',
          prop:'path'
        },
        {
          label:'组件路径',
          prop:'component'
        },
        {
          label:'菜单状态',
          prop:'menuState',
          formatter(row, column, value) {
            return {
              1: "正常",
              2: "停用"
            }[value]
          }
        },
        {
          label:'创建时间',
          prop:'createTime',
          width: 150,
          formatter(row, column, value) {
            return utils.formateDate(new Date(value))
          }
        }
      ],
      showModal:false,
      menuForm:{
        menuType:1,
        menuState:1
      },
      /*action:'add',*/
      action: "",
      rules:{
        menuName:[
          {
            required: true,
            message: "请输入菜单名称",
            trigger: "blur"
          },
          {
            min: 2,
            max: 10,
            message: "长度在2-8个字符",
            trigger: "blur"
          }
        ]
      }
    }
  },
  mounted() {
    this.getMenuList()
  },
  methods:{
    // 菜单列表初始化
    async getMenuList(){
      try {
        let list = await this.$api.getMenuList(this.queryForm)
        this.menuList = list
      } catch (e) {
        throw new Error(e)
      }
    },
    /*handleQuery(){
      this.getMenuList()
    },*/
    // 表单重置
    handleRest(form){
      this.$refs[form].resetFields()
    },
    // 新增菜单
    handleAdd(type,row){
      this.showModal = true
      this.action = 'add'
      if (type == 2) {
        this.menuForm.parentId = [...row.parentId, row._id].filter(
            (item) => item
        )
      }
    },
    handleEdit(row){
      this.showModal = true
      this.action = "edit"
      // this.menuForm = row
      this.$nextTick(()=>{ // 在dom更新过后下一个阶段，下一次更新才获取值
        Object.assign(this.menuForm,row)
      })
    },
    async handleDel(_id){
      await this.$api.menuSubmit({_id,action:'delete'})
      this.$message.success('删除成功')
      this.getMenuList()
    },
    // 菜单操作提交
    handleSubmit(){
      this.$refs.dialogForm.validate(async (valid)=>{
        if (valid) {
          let { action, menuForm } = this
          let param = { ...menuForm, action }
          let res = await this.$api.menuSubmit(param)
          this.showModal = false
          this.$message.success('操作成功')
          this.handleRest('dialogForm')
          this.getMenuList()
        }
      })
    },
    // 弹框关闭
    handleClose(){
      this.showModal = false
      this.handleRest('dialogForm')
    }
  }
}
</script>

<style lang="scss">

</style>
